html body {
    width: 100vw;
    height: 100vh;
    margin: 0 0;
    padding: 0 0;
  }
  
  #app {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  a{
    text-decoration: none;
  }